REPORT OF TIIK STATIC KNTOM OLOOIST Ujl/ <^5 



Key to Species 



a Abdoiucn yc41owish 



b Basal portion of the stem of the fifth antcnnal scKmcnt with a Icnk'th 

 about one-half its diameter 

 c Mesonotum yellowish and slaty brown; the distal portion of the 

 stem of the fifth antennal segment with a length two and one- 

 half times its diameter, slightly expanded apically; the basal 



clasp segment stout, tapering slightly f i 1 i c i s Felt, C. 20 



cc Mesonotum sooty yellow; tlu- distal portion of the stem of the 

 fifth antennal segment willi a length one-half greater than its 

 diameter, slightly expanded apically; basal elasp segment stout, 



broadly rounded apieally a p i c a 1 i s Felt, C. 52 



ccc Mesonotum dark brown; the distal portion of the stem of the 

 fifth antennal segment with a length twiee its diameter, greatly 

 expanded distally; the basal elasp segment short. Inroad, 



tapering strongly foetedi Felt, C. 24 



bb The basal portion of the stem of the fifth antennal segment with a 

 length one-half greater than its diameter 

 c Mesonotum reddish brown; the distal portion of the stem of the 

 fifth antennal segment with a length three times its diameter; 



the basal elasp segment short, stout and tapering strongly 



s y m p 1 o c a r p i Felt, C. 23 

 aa Abdomen yellowish red 



b Mesonotum dark brown; the basal ])ortion of tlie stem of the fifth 

 antennal segment with a length only one-half its diameter; the basal 



clasp segment short, stout and roundly tapering distally 



consobrina Felt, C. 61 

 aaa Abdomen light Ijrown; the basal portion of the stem of the fifth antennal 

 segment with a length one-half its diameter 

 b Mesonotum dark brown; basal clasp segment very short, stout and 



roundly tapering apieally tiliae Felt, C. 25 



bb Mesonotum light brown ; the basal clasp segment very short and stout 



c ar i c i s Felt, C. 19 

 aaaa Abdomen reddish brown 



b Mesonotum yellowish brown; the basal portion of the stem of the 

 fifth antennal segment with a length one-half its diameter; the 

 basal clasp segment short, stout and narrowly rounded apically .... 



a b d o m i n a 1 i s Felt, C. 16 



Lobopteromyia filicis Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 131; separate, p. 20 



(Contarinia) 



1908 N. Y. State Mus. Bui. 124, p. 390 



The yellowish midges were taken on ferns May 16, igo6 at 

 Karner, N. Y. 



Male. Length 1.5 mm. Antennae longer than the body, thickly 

 fine haired, light brown; 14 segments, the fifth with stems one- 

 half and two and one-half times their diameters respectively ; terminal 

 segment with the basal enlargement somewhat flattened, the distal 



